Finding the Fourth Proportional to 16,769.56, 23,141.94 and 9,317.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,769.56 : 23,141.94 = 9,317.56 : x
2. Step 2: Convert to fraction form
   16,769.56/23,141.94 = 9,317.56/x
3. Step 3: Cross multiply
   16,769.56x = 23,141.94 × 9,317.56
4. Step 4: Simplify right side
   16,769.56x = 215,626,414.47
5. Step 5: Solve for x
   x = 215,626,414.47/16,769.56
6. Step 6: Final answer
   x = 12,858.20